Improve support for Python 3.14 (#8948)

Author: hugovk

.github/workflows/test-windows.yml

@@ -84,7 +84,7 @@ jobs:
         python3 -m pip install --upgrade pip
 
     - name: Install CPython dependencies
-      if: "!contains(matrix.python-version, 'pypy') && matrix.architecture != 'x86'"
+      if: "!contains(matrix.python-version, 'pypy') && !contains(matrix.python-version, '3.14') && matrix.architecture != 'x86'"
       run: |
         python3 -m pip install PyQt6
 

Tests/test_image_resample.py

@@ -462,7 +462,7 @@ def test_wrong_arguments(self, resample: Image.Resampling) -> None:
         im.resize((32, 32), resample, (20, 20, 20, 100))
         im.resize((32, 32), resample, (20, 20, 100, 20))
 
-        with pytest.raises(TypeError, match="must be sequence of length 4"):
+        with pytest.raises(TypeError, match="must be (sequence|tuple) of length 4"):
             im.resize((32, 32), resample, (im.width, im.height))  # type: ignore[arg-type]
 
         with pytest.raises(ValueError, match="can't be negative"):

setup.py

@@ -46,7 +46,7 @@ def get_version() -> str:
 ZLIB_ROOT = None
 FUZZING_BUILD = "LIB_FUZZING_ENGINE" in os.environ
 
-if sys.platform == "win32" and sys.version_info >= (3, 14):
+if sys.platform == "win32" and sys.version_info >= (3, 15):
     import atexit
 
     atexit.register(